What was found
DURING HEAVY MAINTENANCE: RUDDER HINGE ARM FITTING ASSY FORK END #2 DAMAGED; EC A24-798-01 ASSIGNED FOR TIME LIMITED REPAIR. DURING THE CURRENT (6/2024) C9 CHECK FOR A/C N510JB @ MEX, MEXICANA REPORTED 2 GOUGES AND ALL HOLES ELONGATED (#1-9) ON THE VERTICAL STABILIZER HINGE ARM BR2 FLANGE UPPER SURFACE. SEE FIGURE 1 (SHEETS 1-4) IN THE REF /1/ ¬EA FOR MORE DETAILS. THE DAMAGE WAS BEYOND SRM TASK 55-36-42-300-008 LIMITS. THEREFORE, AIRBUS WAS CONTACTED FOR REPAIR INSTRUCTIONS. AIRBUS PROVIDED THE REF /4/ TD WITH INSTRUCTIONS, LEAVE THE GOUGES AS IS AFTER REWORK, TO REAM THE HOLES TO A CRACK FREE CONDITION AND OVERSIZE THE HOLE AND INSTALL OS FASTENERS IAW WITH LIMITS IN TABLE 4 OF THE REF /4/ TD AIRBUS APPROVED THIS REPAIR PER THE REF /3/ AIRBUS RDAF AS A TIME-LIMITED, PENDING FURTHER DTA DUE WITHIN 6 MONTHS. THIS EC ACCOMPLISHES THE TIME-LIMITED REPAIR PER THE REF /1/ & /2/ EOS AND COMPLIES WITH THE REF /3/ RDAF WITHOUT DEVIATION. THIS EC A24-798-01 IS ISSUED TO PROVIDE THE TIME-LIMITED REPAIR INSTRUCTIONS. EC A24-798-02 PROVIDES A PLACEHOLDER ISSUED TO TRACK THE 6-MONTH LIMITATION FOR THE DTA. THIS TIME LIMITED REPAIR HAS BEEN APPROVED VIA REF /3/ RDAF, PENDING DTA WITHIN 6 MONTHS AND IS CLASSIFIED AS MINOR ACCORDING TO THE GUIDELINES SPECIFIED IN THE REF /5/ MX-244. (E/C: A24-798-01)